1964- after China's atomic bomb test, American newspapers mentioned that Deng Jiaxian was the cause, and there were rumors that American physicist Han Chun was also involved.

In August,1971-"I" asked Deng Jiaxian Joan Hinton if he had participated in the atomic bomb design project in China, and Jia Xian said that he would confirm it.

1971August 16— Jia Xian wrote to me and made it clear that no foreigners were involved in China's atomic bomb weapons program.

The next thing we have to think about is: Is there a relationship between these three contents?

1964 After China's atomic bomb test-"I" was engaged in scientific research in the United States, but I paid close attention to the development of China, especially the domestic atomic bomb cause led by my friend Jia Xian, and I also had the desire to explore the truth of those rumors, so when I met Jia Xian, who had been away for 22 years, I specially asked him. The first content is the background of "I" questioning, which has a causal relationship with the following content.

197 1 August- Write "I" to ask Jia Xian that Deng Jiaxian, as a nuclear weapon of China, is fully capable of giving an immediate answer to the questions raised by "I", but he is not in a hurry to deny it, but said that he should check it first, so he got the third reply. The short interval between the two dates not only reflects the need for confidentiality, but also reflects Deng Jiaxian's rigorous professional attitude.

1971August 16 —— Jia Xian replied that no foreigners participated in China's atomic weapons project, and any word on the floor showed that China had completely independently completed the design of the first atomic bomb. These two words respond to the rumors of 197 1 August, and are full of strong national pride and pride.

So what thoughts and feelings does the author want to express through these three contents?

At the end of this part: afterwards, I wondered why there was such a big emotional shock, because I was proud of my nation. Or are you proud of being a pioneer? I still can't figure it out.

The author directly explained that this extremely short letter gave me a great shock. Is it the pride of the nation? Or are you proud of being a pioneer? I still can't figure it out. Yes, or? This is a group of related words with selective relationship. The author hesitates between the two choices and has been puzzled. In fact, it shows that both kinds of feelings exist and are very strong. The author's eyes filled with tears, not only for national feelings, but also for friendship. As a friend, the author is proud of Deng Jiaxian's extraordinary professional wisdom and excellent leadership; As a Chinese son and daughter, the author is more proud of the rise of China and the rejuvenation of the Chinese nation. A short letter shows the consciousness of the Chinese people of the writer and the receiver. In this part, the author does not repeat Deng Jiaxian's achievements, but looks at Deng Jiaxian from the perspective of national feelings, and deeply analyzes the reasons for his great achievements. You can make a comment next to the subtitle: national feelings.

Read part 4 carefully, and then look at part 5, I can't leave.

Please read this part by yourself according to the prompts on the screen and write it in the book.

Screen presentation: 1 What is written in paragraphs 4?

What is the internal relationship between these contents?

Ok, the teacher will lead you to summarize this part first:

Paragraph 1- Paragraph 4 contains four contents:

The first three contents are about three problems faced by Deng Jiaxian, and the author used three sentences "I don't know". Please write and find these three sentences. (The teacher reads aloud)

[If! SupportLists]( 1)[endif], I wonder if Jia Xian remembered "Hanging the Ancient Battlefield" that we recited together in Kunming:

[If! I wonder what it was like for Jia to bury his colleagues and subordinates with broken grass in the desert.

[If! SupportLists](3)[endif], I wonder if your hands trembled when you signed the key plan first.

The first thing I didn't know was Hanging the Ancient Battlefield, which told us in the after-class notes on page 6 that it described the desolate and miserable scene of the ancient battlefield and revealed the cruelty of the war and the suffering caused to the people. Learn about this part with reference books. Working in such a harsh environment is the first difficulty that Deng Jiaxian faces.

The second unknown leads to the content of burying colleagues and subordinates, suggesting that the experiment is risky, and sacrifice may be commonplace. Death threats are the second difficulty that Deng Jiaxian faces.

Third, I don't know the complexity of independent atomic bomb research. In the experiments of various rough estimation and decision-making schemes, sudden problems of all sizes will emerge one after another, and accidents are always common.

The fourth content is specific. There was an accident in the nuclear test, and people advised Deng Jiaxian to go back. He said, "I can't leave." . Underground signals can't be detected. Deng Jiaxian is facing a very dangerous situation. His choice is to face it calmly, even at the cost of his life. These four simple words make us feel his selfless and fearless spirit.

Students, after finishing the content, what should we do next? What is the close relationship between these four parts?

To sum up, "I can't go" is Deng Jiaxian's attitude towards all difficulties. If the desolation of the ancient battlefield and the sacrifice of subordinates are not the most severe tests, then the failure of scientific experiments is the most direct challenge to one's own psychology. Write about these internal and external troubles, and write about the severe test that Deng Jiaxian is facing.

The fifth part is not over yet. Please read paragraphs 5 and 6 of this part silently. Think about it. What else did the author write? What does this part have to do with the previous content?

With a song from the May 4th period as the background, the teacher read aloud.

Have you ever wondered why the author quoted this song at the end of this part, and what is the connection between this song and Deng Jiaxian's difficult attitude?

There is no doubt that in the author's mind, Deng Jiaxian is the China man and strange husband in the song. He changed the destiny of the nation and propped up the sky. I was seriously ill, died young and had a broken head. Although he doesn't want to attract attention, his name has long been engraved in the history of our national rejuvenation, and he has made great contributions, and his blood is still red. It can be said that this song is a portrayal of Deng Jiaxian's life. In the history of the Chinese nation for thousands of years, there have been heroes and chivalrous men more or less. They are ambitious and deeply sorry for their country. Deng Jiaxian is one of the outstanding representatives.

When quoting lyrics, the author also has some idle pens that seem to escape from him, which is very worth pondering. Teachers can read and everyone can draw. First of all, the author emphasizes a children's song during the May 4th Movement, saying that he learned it from his father. At the end of this part, he said that his father was born in 1896, when the Chinese nation was at the mercy of others. He also stressed that his father loved this song all his life. Have the students finished drawing these four free pens? Then please combine these contents. Why did the author write these contents?

When we put these idle pens together, we find that the author has a special meaning. Even when the Chinese nation is at the mercy of others, we men in China are still making unremitting efforts for the rejuvenation of the nation. This ambition is rooted in the hearts of every Chinese descendant and passed down from generation to generation. This is an inexhaustible source of our national strength.

Students, if the fourth part examines Deng Jiaxian from the perspective of national feelings, what is the perspective of the fifth part?

This part focuses on Deng Jiaxian's attitude in the face of difficulties and emphasizes the responsibility behind such calmness as "I can't go". His spiritual strength comes from the ambition of men in China's excellent traditional culture. This is to take care of Deng Jiaxian, the founding father of the two bombs, under the background of China traditional culture, so this part looks at Deng Jiaxian from the perspective of traditional culture.

You can also write this conclusion next to the subtitle in the fifth part.

We have just explained the fourth and fifth parts, writing about Deng Jiaxian from the perspective of national feelings and traditional culture. What is the internal relationship between these two parts and the content of the third part?

The teacher will give you a hint first: to analyze the relationship between the contents of each part, we should not only pay attention to the sentences that echo before and after, but also pay attention to the sentences that directly point out the relationship. We can also pay attention to the change of address. We can analyze the relationship of part 345 from this angle.

Have you noticed any change in the name?

In the third part, most people are called Deng Jiaxian. Part four and part five, all changed to crops first. These two terms. One is solemn and the other is cordial, which reflects the change of the author's writing perspective. In the third part, the author pays attention to Deng Jiaxian as a physicist, puts Deng Jiaxian on the international stage, and makes a comparative evaluation with famous scientists in the field of nuclear weapons research, so this part is called Deng Jiaxian to show respect for great scientists. Being able to look at peers from the perspective of world scientific development also shows the author's global vision. The fourth part and the fifth part respectively examine Deng Jiaxian from the perspectives of national feelings and traditional culture. These three parts tell the story of Deng Jiaxian from different angles, highlight Deng Jiaxian's pure, simple and selfless spirit, and reveal the reasons for the formation of this spirit.

After clarifying the relationship between these parts, students should think further: What are the internal relations between these three parts and the second part?

The second part introduces Deng Jiaxian's life and achievements, and the 345th part introduces his personality and spiritual quality from different angles, revealing the fundamental reason why Deng Jiaxian became the founder of the two bombs. Therefore, part 2 is the leader of part 345, and part 345 is the support of part 2. This arrangement of materials by the author can guide readers to understand Deng Jiaxian step by step.

Finally, let's focus on part 6 and see what it says.

In this part, the author did not describe the specific events, but quoted four paragraphs from his letter to Mrs. Deng Jiaxian.

Listen to the teacher first.

Look at the full text and think: What are the connections between these four paragraphs and the first five parts?

This part is a summary of the last article, such as: loyalty and purity, echoing the content of part 3, selfless spirit and great contribution echoing parts 1 and 2. There is no hesitation, no contradiction, which echoes the fifth part of Deng Jiaxian's attitude towards difficulties. Of course, this part is also the sublimation of the author's emotions.

The word "eternity" appears twice in this article, and eternal pride is the subtitle of this part. What does the author want to express? Please think about this problem.

The eternity here can be understood from three aspects: classmates, peers and compatriots. There is a deep memory of my classmates and a friendship of half a century, which the author will cherish in his memory forever, and so will Deng Jiaxian. There is also a high evaluation of peers, who do not hesitate in the face of difficulties and consciously advance towards their goals with the courage to face difficulties. The author put Deng Jiaxian and Oppenheimer together, which means that he will also be an immortal name in science. There is also great respect for his compatriots here. His contribution changed the history of the Chinese nation and gave it new life. His life will remain in the history of this country forever. If he can choose again, he will still choose this road of dedication and self-sacrifice, which is determined by his character and quality, and the source of his character and quality is the traditional culture of China for thousands of years.

These four quotations are full of classmates' friendship, compatriots' national plots and high recognition from peers, and also show the author's cultural vision, historical vision and global mind as an internationally renowned scientist.